12213005

素因数分解:

$5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{631}}^1$

素因数の和:729

約数の個数: 24

約数和(自身を含む): 17291520

約数和(自身を除く): 5078515

約数列:

[1, 5, 7, 35, 49, 79, 245, 395, 553, 631, 2765, 3155, 3871, 4417, 19355, 22085, 30919, 49849, 154595, 249245, 348943, 1744715, 2442601, 12213005]

約数ペア:

[(1, 12213005), (5, 2442601), (7, 1744715), (35, 348943), (49, 249245), (79, 154595), (245, 49849), (395, 30919), (553, 22085), (631, 19355), (2765, 4417), (3155, 3871)]